<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        
        body {
            background: #000;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
        }

        .heart {
            position: relative;
            width: 100px;
            height: 90px;
            animation: heartbeat 1.2s infinite;
        }

        .heart::before,
        .heart::after {
            content: '';
            position: absolute;
            width: 50px;
            height: 80px;
            background: #ff3f3f;
            border-radius: 50px 50px 0 0;
            box-shadow: 0 0 40px #ff3f3f;
        }

        .heart::before {
            left: 50px;
            transform: rotate(-45deg);
            transform-origin: 0 100%;
        }

        .heart::after {
            left: 0;
            transform: rotate(45deg);
            transform-origin: 100% 100%;
        }

        @keyframes heartbeat {
            0% {
                transform: scale(1);
            }
            15% {
                transform: scale(1.3);
            }
            30% {
                transform: scale(1);
            }
            45% {
                transform: scale(1.15);
            }
            60% {
                transform: scale(1);
            }
        }
    
    </style>
</head>

<body>
    <div class="heart"></div>
</body>
</html>